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�2.TESTING ASINGLE-WALL TANK <br /> 3.2.1.Remove all temporary service fitting plugs,redoo and <br /> reinstall all fitting plugs except one(needed for test manifold). From Air Supply <br /> Install permanent plugs inall unused openings. <br /> Valve <br /> Device <br /> Relief <br /> 32.2. Install the test manifold inthe open service fitting.Connect <br /> the pressure source tnthe test manifold. (See FIGURE 3-3.) <br /> Quick-Di=ect Gauge <br /> Air-Supply Valve bly Service <br /> From Air Supply Monitor Fitting Fitting <br /> Pressure-Relief Device Air-Supply <br /> Gauge Pressure- rOM Air b <br /> Device <br /> i Aiscobly <br /> A sem <br /> on r Fitting Fit <br /> Service Fitting <br /> F|GURE3-4 <br /> 3.3.2. PRIMARY TANK UNTERN/L\ <br /> 3.3.2.1.Remove all temporary service fitting plugs,rednpeand <br /> reinstall all fitting plugs except one(needed for test menifo|d). <br /> FIGURE 3-3 Install permanent plugs inall unused openings. <br /> 32.3. Pressurize the tank ho5pnig[3poigfor a124hohonk]. 3.3.2.2. Install the test manifold inthe open service fitting. <br /> Allow the pressure tostabilize byadding orremoving air ua Connect the pressure source hothe test manifold. (See FIGURE <br /> necessary. 34j <br /> 3.2.4.Close the air-supply valve unthe test manifold.Diuoon- 3.3.2.3. |norder hntest the primary tank alone,the quiok- <br /> noutthmuipnupp|y|ino. disconnect assembly must not beconnected hothe service <br /> �^ <br /> fitting—keep the nylon tie inplace. <br /> 3.2.5.Soap the entire exterior ofthe tank.Watch for active air <br /> bubbles,which indicate eleak.Pay special attention h»fittings 3.3.2.4.Pressurize the primary tank<o5poigC3poigfor a12' <br /> andmanwmym. Liftthetenkhooheokth*bott>m. DOnot roll the foot tonQ.Allow the pressure bostabilize byadding nrremoving <br /> tank. air unnecessary. <br /> 3.2.6.Monitor the pressure for one hour. 3.3.2.5.Close the air-supply valve onthe test manifold. <br />� Disconnect the air-supply line. <br /> Do not stand under the tank. This could result 8vdeath, 3.3.2.6.Soap all service fittings and monwmyn.Watch for active <br /> senoQ$personal injuty or property damage. air bubbles,which indicate aleak. <br /> When the test iacomplete,carefully release the air 3.3.%IMonitor the pressure for one hour. <br /> ^' <br /> pressure from the tank byopening the air-supply va|v* <br /> � � <br /> 3.3.3. SECONDARY TANK <br /> 3��.When air flow stops,remove the test manifold. 8.3.3.1.Maintain the pressure inthe primarytamk <br /> 3.B.TESTING ADOUBLE-WALL TANK WITH DRY ACAUTION <br /> INTERSTITIAL SPACE <br /> Donot conned air supply directly to Me <br /> 3.3.1. GENERAL non&orfiffing Pressurizing the secondety tank <br /> 3.31j.The tank will arrive with aquick-disconnect assembly. space)bx8seffmay damage the pnmaty' tank or cause <br /> (See FIGURE 34] tank failure. <br /> 3.3.12. |fthe tank ixnot configured aashown i7FIGURE 3-4 3.3.3.2.Free the hose from the service fitting bycutting the <br /> prior hupreinstallation testing,call the UST coordinator atthe nylon tie. <br /> q000�v X*m*op|antneamotyou� <br /> � 3.3.3.3.Insert the hose into the quick-disconnect fitting.This will <br /> allow air totransfer from the primary bothe secondary tank. <br /> 4 <br />